Thermal Non-Catalytic Cracking TRIZ Cases

See how intermediate recirculation of expanded fuel stream eliminates external ethylene refrige

See how a spiral fluid flow line with electromagnetic coil induction heating replaces firepower

See how electrically conductive tubes use Joule heating to replace combustion in steam cracking

See how direct current flow through conductive fluid lines uses Joule heating to achieve unifor

See how standardized electric drives with frequency converters replace steam turbines in ethyle

See how electrically conductive tubes enable direct Joule heating in steam cracking furnaces, r

See how routing process fluid through both convection and radiant sections reduces fuel use and

See how helical-trajectory blade cascades increase volumetric flow rate 1.5× while converting k

See how segmented heat zones with independent electrical and firepower control reduce coke form

See how a rotary apparatus uses electrical energy and rotor-blade transformations to generate a

See how a rotary apparatus with rotor blades and stationary vanes converts electrical energy to

See how a rotary apparatus converts electrical energy to thermal energy up to 1700°C, replacing

See how a rotary blade apparatus converts electrical energy to thermal energy via fluid dynamic

See how a rotary apparatus converts mechanical energy to thermal energy exceeding 500°C for cem

See how a rotary apparatus with electrical heating imparts thermal energy up to 1700°C for hydr

See how sequential quenching, acid removal, drying, and cryogenic absorption remove impurities

See how electromagnetic induction heating replaces high-current direct heating, reducing supply

See how a two-cell segregated fired heater with independent burner control enables greater turn

See how electric drives replace steam turbines in cracking compressors, enabling renewable ener

See how decompressing liquid propane below vaporization point captures latent heat as refrigera

See how a rotary blade apparatus converts electrical energy into thermal energy via fluid turbu

See how vertical stacking and W-shaped process tubes reduce fired heater footprint and piping l

See how cascade liquefaction of excess fuel gas enables ethylene plants to store energy during

See how removable bend portions with microwave emitters and transparent intermediary materials

See how a rectangular shell with nested U-shaped coils and repositioned burners reduces fired h

See how electromagnetic coils induce eddy currents in conductive pipelines to generate Joulean

See how contraflow absorption combined with increased-pressure rectification recovers C2 hydroc

See how circulation flows and staged separation prevent methane overload when propane feedstock

See how segmented demethanization and refrigerant-controlled separation manage increased methan

See how oxidative coupling converts methane to ethylene and higher hydrocarbons, reducing energ

See how pre-separating ethane from steam-cracked gas reduces downstream separation complexity a

See how electrically conductive pipes connected to DC sources generate Joule heat internally, s

See how decompressing liquid propane to low pressure before naphtha cracking utilizes vaporizat

See how DC voltage sources generate Joule heat in conductive pipelines to simplify fluid heatin

See how multi-stage quenching, acid removal, drying, and cryogenic absorption remove impurities

See how star-connected multi-phase alternating current optimizes Joule heat distribution in con

Stacked heater sets use different elevations to reduce plant space, hydrocarbon exclusion zones, and piping length around reactors.

See how a prismatic shell with nested U-shaped coils and multi-level burners reduces heater foo

See how oxidative coupling converts methane to ethylene, then oligomerizes it into gasoline and

See how phase-shifted AC voltages in star-connected pipelines cancel parallel currents, elimina

See how an additional separation unit reduces ethane content to below 25% in steam cracking sys

See how DC current sources heat conductive pipelines via Joule effect, eliminating complex star

See how integrated oxidative coupling and ethylene-to-liquids subsystems convert methane to hig

See how a closed-loop circulation method removes coke and heavy deposits from petroleum equipme

See how vapor distribution trays, multiple spray headers, and particle filters reduce coke form

See how phase-shifted AC voltages in a star circuit cancel currents at a neutral point, reducin

A closed hydrocarbon circulation loop cleans fouled petroleum equipment during operation, avoiding shutdowns while reducing coke and yield loss.

Oxidative coupling converts methane to ethylene, then to liquid hydrocarbons, reducing reliance on crude-oil cracking and high energy use.

A low-amplitude helical coil induces swirl flow to cut pressure losses, improve mixing, and enhance heat transfer in furnace piping.

Cationic polymerization converts reactive dienes in waste plastic pyrolysis oil into separable oligomers, enabling purified feed for steam cracking.

Reactive dienes in waste-plastic pyrolysis oil are polymerized, separated, and cracked to make steam-cracker feed for olefins and paraffins.

Cationic polymerization followed by basic neutralization removes reactive dienes from waste-plastic pyrolysis oil for steam cracker use.

Cationic polymerization removes gum-forming dienes from pyrolysis plastic oil, making it suitable for steam cracking to ethylene and propylene.

Cationic polymerization converts reactive dienes in waste-plastic pyrolysis oil into removable oligomers, enabling steam cracking and resin production.

Solid-media thermal storage uses controlled gas flow and thermocline discharge to supply continuous 1000°C+ heat for steam cracking.

Cationic polymerization converts diene-rich pyrolysis plastic oil into controlled oligomeric liquid resins for rubber and adhesive use.

Reactive dienes in waste plastic pyrolysis oil are polymerized into oligomers, preventing gum formation before molecular sieve cracking.

A thermocline gas discharge scheme keeps outlet heat above 1000°C from renewable-powered storage, improving steam cracking temperature control.

Variable renewable electricity is stored as over-1000°C heat and delivered continuously to steam cracking furnaces with lower fossil fuel use.

A learned prediction model links oil quality and operating parameters to reaction states, improving heavy oil control, yield, and catalyst use.

Calibrated production-site simulation links planning, monitoring, and control to improve cross-department efficiency and profit.

A weld backing ring embedded in insulation enables a fully welded gas inlet header joint, limiting thermal stress and leaks in cracked gas cooling.

Real-time bottom-stream temperature and flow data drive antifoulant dosing to cut fouling, delays, and chemical waste in hydrocarbon columns.

Electric heating between stacked reaction zones improves hydrocarbon stream heating uniformity while cutting CO2 emissions, hot spots, and coking.

Predicts coking and fouling progression from current KPIs and operating conditions to plan maintenance and avoid unplanned plant downtime.

Reference temperature and carburization-depth data are used to predict steam cracking coil degradation and replacement timing without destructive inspection.

A flexible polymer pig with partially encapsulated bristles removes coke deposits from process equipment while preserving the metal protective layer.

Machine learning links yield and coking-rate prediction to optimize alkane dehydrogenation parameters, cut waste, and extend run-length.

A pigging assembly isolates parallel coker furnace passes for on-line decoking, cutting shutdown time and cost during delayed coking.

A smoothly deformed non-circular transfer line cuts pressure drop and erosion in olefin cracking while preserving practical manufacturability.

A fluid-driven pig travels furnace tubes during delayed coking to remove coke buildup without offline shutdowns, cutting downtime and cost.

An aluminum-rich mixing element forms a protective alumina scale in pyrolysis tubes, limiting chromium-carbide formation, coking, and tube wear.

A porous outer ceramic layer and inner surface depressions raise heat transfer above 500 W/m2/K while limiting coking at high temperature.

A flexible coupling between rack-and-gear and cam linkages preserves valve control accuracy while reducing pipeline stress sensitivity and wear.

High-pressure steam and double block purge isolation enable safe online pigging and spalling of coker furnace tubes under extreme heat and pressure.

Local renewable conversion cuts transmission losses and lowers fuel carbon intensity while preserving compatibility with existing distribution channels.

A spiral twisted baffle with an axial non-through gap boosts tube-side heat transfer while limiting pressure loss and coke buildup.

Aluminum-alloy tube weldments with mixing elements form a chromium-free alumina scale that cuts coke buildup and improves carburization resistance.

A tuned Al-Cr-Ni alloy forms a dense Al oxide layer to resist oxidation while preserving ductility and weldability in reaction tubes.

A bevelled seal, spring element, and expansion-absorbing refractory filler keep reaction gas quench exchangers sealed and maintain coolant flow.

Mixing a dense recycle quench gas with radiant off-gases in the convection section improves temperature uniformity and reduces heater size.

Rapid fraction separation and solvent extraction identify fouling-prone crude components, guiding targeted treatment and blending to improve refinery efficiency.

Using integral stainless steel instead of plated sheets simplifies coker drum welding and reduces corrosion, cracks, and maintenance downtime.

Co-feeding recycle pyrolysis oil with ethane lets one cracker handle mixed waste-derived feedstocks while recovering valuable olefins.

A modified Allam-cycle CO2 loop powers pyrolysis turbines and furnaces, cutting exhaust emissions while improving heat recovery.

A dividing wall column and shared refrigeration separate light ends from naphtha effluent while feeding ethane to a steam cracker with lower energy use.

Blending NCC pyrolysis fuel oil with pyrolysis gas oil controls viscosity and flash point, enabling cleaner, lower-cost synthesis gas production.

A ceramic-coated metallic inlet cone cuts catalyst-particle erosion, gas leakage, and maintenance in transfer line exchangers.

Fresh feed enters low in the fractionator to pull recycle fractions into de-asphalting, preserving HCGO and CFO quality while improving yield.

Separating convection-section effluent into vapor and liquid improves steam cracking yields and enables liquid recycle without added utilities.

Surfmers covalently bind styrene and other fouling precursors into water-soluble adducts, reducing dilution steam fouling in olefins plants.

Using H2S instead of organosulfur additives passivates furnace coils while keeping carbon disulfide in pygas below 50 ppmw.

Distilling NCC-derived PFO and PGO creates a safer, low-viscosity gasification feed with better atomization, lower cost, and reduced emissions.

Petcoke combustion heats circulating particles to preheat cracking feed, capture CO2, and generate dilution steam and high-pressure steam.

A fiber-reinforced refractory lining blocks metal-catalyzed coke formation and resists carburization in severe hydrocarbon conversion vessels.

A continuous tubular reactor with steam injection converts heavy hydrocarbons to mesophase pitch while limiting coking and batch scale-up costs.

Controlling cyclic monoene in a cyclic diene composition keeps it fluid at normal temperatures and shortens aldehyde hydroformylation.

Renewable-powered electrolysis supplies hydrogen and oxygen for hydroprocessing while captured flue-gas CO2 is hydrogenated into fuels or oxygenates.

This case uses titanium and phosphorus modification to stabilize HZSM-5, avoid pre-steaming, and increase ethylene and propylene yield.

This case converts naphthenes and isoparaffins upstream, preparing naphtha and butane feeds for steam cracking and higher ethylene yield.

An axially adjustable rotor blade cascade regulates position relative to stationary components in rotary feedstock processing equipment.

Perforated baffles reduce feed eddies in quench water separators, settling coke and tar to minimize fouling and pressure drops.